Air Things wave is not just a radon detector. It will provide you with detailed information about radon, temperature and humidity levels right on your phone. View daily, weekly, monthly and yearly measurements in the free mobile app. Use the data to take the necessary steps to protect your home and loved ones from the dangers of radon gas. 2 aa batteries will provide you will approximately 1.5 years of peace of mind. Accessing your radon levels in real time is necessary to minimize the potential health effects. Know your levels by using the free mobile app or wave in front of the device for easy to use color coding, also shown in the app. Green (good), yellow (warning) and red (danger). Air Things wave is easy to use and easy to install. 2 aa batteries will provide you will approximately 1.5 years of peace of mind.